3902469
Mounting Spacer
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$17.95 $21.36

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION

Introduction

The Cummins 3902469 Mounting Spacer is a component designed to facilitate the proper installation and alignment of various parts within commercial truck operations. Its role is integral to ensuring that components are securely and accurately positioned, which contributes to the overall efficiency and reliability of the vehicle 4.

Basic Concepts of Mounting Spacers

Mounting spacers are mechanical components used to create distance between two parts, ensuring proper alignment and stability. They play a role in maintaining the correct spacing, which is vital for the optimal function of mechanical systems. By providing a precise gap, mounting spacers help in reducing stress on components, minimizing vibrations, and enhancing the longevity of the system 1.

Purpose of the 3902469 Mounting Spacer

The Cummins 3902469 Mounting Spacer is specifically designed for use in engine or component mounting scenarios within trucks. It ensures that the components are held at the correct distance from each other, which is crucial for the proper operation of the engine and other mechanical systems. This spacer aids in maintaining the alignment of parts, which is necessary for the smooth functioning of the truck 2.

Key Features

The Cummins 3902469 Mounting Spacer is constructed from high-quality materials, ensuring durability and resistance to wear. Its dimensions are precisely engineered to fit specific applications, providing a reliable solution for component spacing. The design characteristics of this spacer enhance its functionality, allowing it to withstand the rigors of commercial truck operations 3.

Benefits of Using the 3902469 Mounting Spacer

Utilizing the Cummins 3902469 Mounting Spacer offers several advantages. It contributes to improved alignment of components, which can lead to reduced vibration during operation. This, in turn, can enhance the longevity of the components and the overall efficiency of the system. The spacer’s design also helps in maintaining the integrity of the mounting system, ensuring consistent performance over time 4.

Installation Considerations

When installing the Cummins 3902469 Mounting Spacer, it is important to follow guidelines and best practices to ensure proper placement. This includes using the necessary tools and adhering to correct torque specifications. Proper installation is key to maximizing the benefits of the spacer and ensuring the reliability of the mounting system 1.

Troubleshooting Common Issues

Common issues with mounting spacers may include misalignment or wear. To address these problems, it is important to conduct regular inspections and make adjustments as needed. Ensuring that the spacer is correctly installed and maintained can help prevent these issues and maintain the performance of the system 2.

Maintenance Tips

Regular maintenance of the Cummins 3902469 Mounting Spacer is recommended to ensure ongoing performance. This includes inspecting the spacer at regular intervals, cleaning it as necessary, and replacing it when signs of wear or damage are detected. Proper maintenance helps in preserving the functionality and longevity of the spacer and the components it supports 3.

Cummins Overview

Cummins Inc. is a well-established company with a strong reputation in the commercial truck industry. With a history of innovation and quality, Cummins offers a wide range of products designed to meet the demanding requirements of commercial vehicles. The Cummins 3902469 Mounting Spacer is a testament to the company’s commitment to providing reliable and high-performance components for the industry.

Compatibility with Cummins Engines

The Cummins Mounting Spacer part number 3902469 is designed to fit a variety of Cummins engines, ensuring proper alignment and stability during operation. This part is essential for maintaining the integrity of the engine’s mounting system, contributing to overall performance and longevity.

Cummins B Series Engines

The Mounting Spacer 3902469 is compatible with several B Series engines, including:

  • B3.9 G
  • B4.5
  • B5.9 G
  • B5.9 GAS PLUS CM556

Cummins C Series Engines

For the C Series engines, the part fits:

  • C GAS PLUS CM556

Cummins 6 Series Engines

The 6 Series engines that can utilize this mounting spacer include:

  • 6B5.9
  • 6C8.3

Cummins QSB Series Engines

The QSB Series engines that are compatible with the Mounting Spacer 3902469 are:

  • QSB3.9 30 CM550
  • QSB5.9 30 CM550
  • QSB5.9 44 CM550

Cummins ISB Series Engines

The ISB Series engines that can use this mounting spacer are:

  • ISB5.9G CM2180

Cummins ISBE Series Engines

The ISBE Series engine compatible with this part is:

  • ISBE CM800

Cummins ISL Series Engines

The ISL Series engine that fits this mounting spacer is:

  • ISL9 CM2150 SN

Cummins K Series Engines

The K Series engines that can use the Mounting Spacer 3902469 are:

  • K19
  • K38
  • K50

Cummins L Series Engines

The L Series engine compatible with this part is:

  • L8.9

Cummins N14 Series Engines

The N14 Series engine that fits this mounting spacer is:

  • N14 MECHANICAL

Cummins NH/NT Series Engines

The NH/NT Series engine compatible with this part is:

  • NH/NT 855

Cummins QSN Series Engines

The QSN Series engine that can use the Mounting Spacer 3902469 is:

  • QSN14 CM876 N103

Role of Part 3902469 Mounting Spacer in Engine Systems

The part 3902469 Mounting Spacer is an essential component in ensuring the proper alignment and spacing between various engine components. It facilitates the secure and efficient operation of the engine by maintaining the correct distances and positions 4.

Alternator Location and Mounting

In the context of the alternator, the Mounting Spacer is used to establish the precise location and mounting of the alternator. It ensures that the alternator is positioned at the optimal distance from the engine, allowing for efficient power generation and minimal vibration. This spacing is vital for the alternator’s connection to the engine’s drive belt, ensuring smooth operation and reliable power supply to the electrical system 1.

Water Inlet and Cooling System

The Mounting Spacer also plays a role in the engine’s cooling system, particularly at the water inlet. By providing the necessary spacing, it ensures that the water inlet is correctly aligned with the engine block. This alignment is important for the efficient flow of coolant, which is essential for maintaining optimal engine temperature and preventing overheating 2.

General Mounting Applications

Beyond specific components like the alternator and water inlet, the Mounting Spacer is used in various mounting applications throughout the engine system. It helps in maintaining the correct spacing between different engine parts, ensuring that all components are securely mounted and aligned. This is particularly important for components that require precise positioning to function correctly, such as sensors, brackets, and other auxiliary parts 3.

Connection Stability

The Mounting Spacer contributes to the stability of connections within the engine system. By providing a consistent and reliable spacing solution, it helps in maintaining the integrity of connections between moving parts. This stability is important for the overall durability and performance of the engine, reducing the risk of component failure due to misalignment or excessive vibration 4.

Conclusion

In summary, the Cummins 3902469 Mounting Spacer is a versatile component that enhances the functionality and reliability of various engine systems by ensuring proper alignment, spacing, and connection stability. Its use in commercial truck operations contributes to the overall efficiency and longevity of the vehicle.


  1. Sclar, D. (2008). Auto Repair for Dummies: 2nd Edition. For Dummies.

  2. Boyce, M. P. (2002). Gas Turbine Engineering Handbook, Second Edition. Gulf Professional Publishing.

  3. Kluczyk, B. (2008). How to Rebuild Any Automotive Engine. CarTech.

  4. Sheng, G. (2012). Vehicle Noise, Vibration and Sound Quality. SAE International.

SPECIFICATIONS

Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
1.375 x 0.5 x 0.5 in
Weight
0.03 lbs
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.